<!DOCTYPE html>
<html xmlns:th="https://www.thymeleaf.org">
<head>
<title>文件上传显示进度</title>
</head>

<body>
   <form th:action="upload" method="post" enctype="multipart/form-data">
       <input type="file" value="上传" name="file">
       <input type="submit" value="确定">
   </form>



</body>
</html>